[
{"name":"process_name","ph":"M","pid":1,"tid":0,"args":{"name":"worker 127.0.0.1:36153"}},
{"name":"thread_name","ph":"M","pid":1,"tid":1,"args":{"name":"running"}},
{"name":"thread_name","ph":"M","pid":1,"tid":2,"args":{"name":"waiting for inputs"}},
{"name":"inputs","ph":"X","pid":1,"tid":2,"ts":183.083,"dur":74.162,"args":{"object":13641920041770287105}},
{"name":"history::read_history(::String)","ph":"X","pid":1,"tid":1,"ts":257.245,"dur":816023.525,"args":{"object":13641920041770287105,"queued_after_submit_us":5.08,"dispatch_wait_us":4.96,"settle_after_end_us":246.804}},
{"name":"end","ph":"i","ts":0,"pid":0,"tid":0,"s":"g"}
]
